<?xml version="1.0"?>
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
version="1.2" baseProfile="tiny"
width="10cm" height="3cm" viewBox="0 0 100 30">     

<desc>Simple case of 'use' on a 'rect'</desc>

<defs>
<rect xml:id="MyRect" width="60" height="10"/>
</defs>
<rect x=".1" y=".1" width="99.8" height="29.8"
fill="none" stroke="blue" stroke-width=".2"/>
<use x="20" y="10" xlink:href="#MyRect" />
</svg>